Hog Island is a bird sanctuary located off the eastern shore of Washington Island in Door County, Wisconsin. There are no residents on the island, which has a land area of 8,656 square meters (2.14 acres), and is part of the Town of Washington. Since 1913, this sanctuary has served as a habitat for many different types of birds including geese and gulls.
Hog Island is an island in Narragansett Bay in Rhode Island, USA. It lies at the entrance to the harbor of the town of Bristol, and is part of the town of Portsmouth. The 60-foot (18.3 m) tall Hog Island Shoal Lighthouse stands at the south end, warning ships to beware of the dangerous shoals around the island.